4078840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{953}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 9272880

約数和(自身を除く): 5194040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 953, 1070, 1906, 2140, 3812, 4280, 4765, 7624, 9530, 19060, 38120, 101971, 203942, 407884, 509855, 815768, 1019710, 2039420, 4078840]

約数ペア:

[(1, 4078840), (2, 2039420), (4, 1019710), (5, 815768), (8, 509855), (10, 407884), (20, 203942), (40, 101971), (107, 38120), (214, 19060), (428, 9530), (535, 7624), (856, 4765), (953, 4280), (1070, 3812), (1906, 2140)]